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photoshop1234 [79]
4 years ago
9

A thermometer is removed from a room where the temperature is 70° F and is taken outside, where the air temperature is 30° F. Af

ter one-half minute the thermometer reads 60° F. What is the reading of the thermometer at t = 1 min? (Round your answer to two decimal places.)

Mathematics
1 answer:
Slav-nsk [51]4 years ago
5 0

Answer: The reading of the thermometer at t = 1 min is 52.50 °F

Step-by-step explanation: Please see the attachments below

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3 years ago
CB = 4, CA = 11 , and CE = 8 , what is the length of overline ET ?
erma4kov [3.2K]
  • AB=11-4=7

\\ \rm\hookrightarrow \dfrac{BC}{AB}=\dfrac{CE}{ET}

  • ET be x

\\ \rm\hookrightarrow \dfrac{4}{7}=\dfrac{8}{x}

\\ \rm\hookrightarrow 4x=56

\\ \rm\hookrightarrow ET=x=14

8 0
2 years ago
How do you Use Trigonometry to find length
Ivan

Right Triangles and the Pythagorean Theorem

The Pythagorean Theorem, a2+b2=c2, a 2 + b 2 = c 2 , can be used to find the length of any side of a right triangle.

The side opposite the right angle is called the hypotenuse (side c in the figure).

7 0
3 years ago
Graph the image of this figure after a dilation with a scale factor of 3 centered at (-7,-6)
Yuri [45]
Given that the triangle is dilated by factor 3, the image will be found as follows;
The object is at:
A(-7,-3), B(-3,-2), C(-4,-5)
when the image was enlarged the new coordinates will be:
A'=3(-7,-3)=(-21,-9)
B'=3(-3,-2)=(-9,-6)
C'=3(-4,-5)=(-12,-15)
since the image is centered at the point (-7,-6), the final point will be at:
A"=[(-21+-7),(-9+-6)=(-28,-15)
B''=[(-9+-7),(-6+-6)]=(-16,-12)
C''=[(-12+-7),(-15+-6)]=(-19,-17)
thus the coordinates of the final image are:
A''(-28,-15),B''(-16,-12),C''(-19,-17)
3 0
3 years ago
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